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p{font-size:clamp(.95rem,1.8vw,1.1rem);color:#555;margin-bottom:clamp(1.5rem,3vw,2rem);line-height:1.7;font-weight:400}.feature-list{list-style:none;display:flex;flex-direction:column;gap:clamp(.75rem,1.5vw,1rem);margin-top:clamp(.75rem,1.5vw,1rem)}.feature-list li{display:flex;align-items:center;gap:clamp(.75rem,1.5vw,1rem);font-weight:500;color:#333;padding:clamp(.6rem,1.2vw,.75rem) clamp(.75rem,1.5vw,1rem);background:#ffffff1a;border-radius:clamp(10px,2vw,12px);border-left:clamp(3px,.5vw,4px) solid #667eea;transition:all .3s ease;font-size:clamp(.875rem,1.2vw,1rem)}.feature-list li:hover{background:#fff3;transform:translate(5px)}.feature-check{width:clamp(16px,2.5vw,20px);height:clamp(16px,2.5vw,20px);color:#51cf66;flex-shrink:0}.demo-screenshot{display:flex;justify-content:center}.screenshot-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:30px;padding:2rem;text-align:center;min-height:500px;width:100%}.screenshot-icon{width:80px;height:80px;margin-bottom:1rem;opacity:.9}.screenshot-placeholder p{font-size:1.2rem;font-weight:600;margin-bottom:.5rem}.screenshot-placeholder span{font-size:.9rem;opacity:.8}.screenshot-image{width:100%;height:100%;object-fit:contain;border-radius:25px;box-shadow:0 20px 40px #00000026,0 8px 16px #0000001a;transition:all .4s cubic-bezier(.4,0,.2,1);background:#fff;padding:10px;border:1px solid rgba(255,255,255,.2)}.screenshot-image:hover{transform:translateY(-8px) scale(1.03);box-shadow:0 30px 60px #0003,0 12px 24px #00000026}.phone-screen{position:relative;overflow:hidden;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);border-radius:25px;padding:15px}.phone-screen:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#ffffff1a,#ffffff0d);border-radius:25px;pointer-events:none}.features{padding:clamp(60px,10vw,80px) 0;background:#fff}.section-title{text-align:center;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;margin-bottom:clamp(2rem,4vw,3rem);color:#333}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:clamp(1.5rem,3vw,2rem)}.feature-card{text-align:center;padding:clamp(1.5rem,3vw,2rem);border-radius:clamp(15px,3vw,20px);background:#f8f9fa;transition:transform .3s ease,box-shadow .3s ease}.feature-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px #0000001a}.feature-icon{width:clamp(60px,10vw,80px);height:clamp(60px,10vw,80px);margin:0 auto 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#00000026}.technology-icon{width:clamp(60px,10vw,80px);height:clamp(60px,10vw,80px);background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto clamp(1rem,2.5vw,1.5rem)}.technology-icon .icon{width:clamp(30px,5vw,40px);height:clamp(30px,5vw,40px);color:#fff}.technology-card h3{font-size:clamp(1.125rem,2.5vw,1.5rem);font-weight:700;margin-bottom:clamp(.75rem,1.5vw,1rem);color:#333}.technology-card p{color:#666;line-height:1.6;margin-bottom:clamp(1rem,2.5vw,1.5rem);font-size:clamp(.875rem,1.5vw,1rem)}.platforms{display:flex;justify-content:center;gap:clamp(1rem,3vw,2rem);margin:clamp(1rem,2.5vw,1.5rem) 0}.platform{display:flex;flex-direction:column;align-items:center;gap:clamp(.25rem,1vw,.5rem)}.platform-icon{width:clamp(40px,8vw,50px);height:clamp(40px,8vw,50px);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:clamp(1.125rem,2.5vw,1.5rem);background:#f8f9fa;border:2px solid #e9ecef}.platform-icon.android{background:#a4c639;color:#fff}.platform-icon.ios{background:#007aff;color:#fff}.platform span{font-weight:600;color:#333;font-size:clamp(.75rem,1.5vw,.9rem)}.platform-description{font-size:clamp(.75rem,1.5vw,.9rem);color:#666;margin-top:clamp(.75rem,1.5vw,1rem)}.demo{padding:clamp(60px,10vw,80px) 0;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.section-subtitle{text-align:center;font-size:clamp(1rem,2vw,1.2rem);color:#666;margin-bottom:clamp(2rem,4vw,3rem)}.video-container{display:flex;justify-content:center;align-items:center;min-height:500px}.video-wrapper{position:relative;border-radius:20px;overflow:hidden;box-shadow:0 20px 60px #0003;background:#000;cursor:pointer;transition:transform .3s ease}.video-wrapper:hover{transform:scale(1.02)}.video-wrapper iframe{display:block;border-radius:20px}.video-wrapper .tiktok-embed{display:block;border-radius:20px;overflow:hidden;box-shadow:0 20px 60px #0003;width:325px;height:700px}.video-wrapper .tiktok-embed iframe{width:100%!important;height:100%!important;border-radius:20px;border:none}.video-wrapper .tiktok-embed{position:relative;background:#000}.video-wrapper .tiktok-embed:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;z-index:1;opacity:1;transition:opacity .5s ease}.video-wrapper .tiktok-embed.loaded:before{opacity:0}.video-wrapper .tiktok-embed iframe{width:100%!important;height:100%!important;border-radius:20px;border:none;position:relative;z-index:2}.video-wrapper .tiktok-embed:not(.loaded){display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;font-weight:600}.video-wrapper .tiktok-embed:not(.loaded):after{content:"Đang tải video...";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3}.video-wrapper .tiktok-embed iframe[src*=autoplay]{pointer-events:auto}.video-wrapper .tiktok-embed{position:relative;overflow:hidden}.video-wrapper .tiktok-embed iframe{pointer-events:auto!important;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.video-wrapper .tiktok-embed{min-height:700px;max-height:700px;height:700px}@media (max-width: 768px){.video-wrapper .tiktok-embed{width:280px;height:600px;min-height:600px;max-height:600px}}.video-placeholder{width:325px;height:700px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:20px;cursor:pointer;transition:all .3s ease}.video-placeholder:hover{background:linear-gradient(135deg,#5a6fd8,#6a4190);transform:scale(1.02)}.play-icon{width:80px;height:80px;margin-bottom:1rem;opacity:.9}.video-placeholder p{font-size:clamp(1rem,2vw,1.2rem);font-weight:600;text-align:center}.download{padding:clamp(60px,10vw,80px) 0;background:#333;color:#fff;text-align:center}.download-content h2{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;margin-bottom:clamp(.75rem,1.5vw,1rem)}.download-content p{font-size:clamp(1rem,2vw,1.2rem);margin-bottom:clamp(2rem,4vw,3rem);color:#fffc}.download-buttons{display:flex;justify-content:center;gap:clamp(.75rem,1.5vw,1rem);flex-wrap:wrap}.download-btn{display:flex;align-items:center;padding:clamp(.75rem,1.5vw,1rem) clamp(1.5rem,3vw,2rem);border:none;border-radius:clamp(10px,2vw,12px);cursor:pointer;transition:transform .3s ease;background:#fff;color:#333;text-decoration:none}.download-btn:hover{transform:translateY(-2px)}.btn-content{display:flex;flex-direction:column;align-items:flex-start}.btn-text{font-size:clamp(.7rem,1.2vw,.8rem);color:#666}.btn-store{font-size:clamp(1rem,2vw,1.2rem);font-weight:700}.footer{background:#222;color:#fff;padding:clamp(2rem,4vw,3rem) 0 clamp(.75rem,1.5vw,1rem)}.footer-content{display:flex;justify-content:space-between;align-items:center;margin-bottom:clamp(1.5rem,3vw,2rem)}.footer-logo{display:flex;align-items:center;gap:clamp(.25rem,1vw,.5rem);font-size:clamp(1rem,2vw,1.2rem);font-weight:700}.footer-links{display:flex;gap:clamp(1rem,3vw,2rem);flex-wrap:wrap}.footer-links a{color:#ffffffb3;text-decoration:none;transition:all .3s ease;display:flex;align-items:center;gap:clamp(.25rem,1vw,.5rem);padding:clamp(.4rem,1vw,.5rem) clamp(.75rem,1.5vw,1rem);border-radius:clamp(6px,1.5vw,8px);font-size:clamp(.875rem,1.2vw,1rem)}.footer-links a:hover{color:#fff;background:#ffffff1a}.footer-icon{width:clamp(14px,2vw,16px);height:clamp(14px,2vw,16px);flex-shrink:0}.footer-bottom{text-align:center;padding-top:clamp(1.5rem,3vw,2rem);border-top:1px solid #444;color:#ffffff80;font-size:clamp(.875rem,1.2vw,1rem)}@media (max-width: 1200px){.header .container{padding:clamp(.75rem,2vw,1.25rem) clamp(1rem,3vw,2rem)}.nav{margin:0 clamp(.5rem,1.5vw,2rem);gap:clamp(.25rem,.8vw,.5rem)}}@media (max-width: 968px){.header .container{flex-direction:row;flex-wrap:wrap}.logo{order:1}.nav{order:3;width:100%;justify-content:center;margin:.5rem 0 0;gap:clamp(.25rem,1vw,.5rem)}.buy-app-btn,.language-dropdown{order:2}}@media (max-width: 768px){.header .container{padding:clamp(.5rem,2vw,1rem) clamp(.75rem,3vw,1.5rem)}.hero-content{grid-template-columns:1fr;text-align:center}.hero-text h1{font-size:clamp(2rem,5vw,2.5rem)}.hero-buttons,.hero-stats{justify-content:center;flex-wrap:wrap}.hero-bg-image{opacity:.1}.bg-image{filter:blur(4px)}.nav{display:flex;gap:clamp(.25rem,1.5vw,.75rem);flex-wrap:wrap;font-size:clamp(.7rem,2vw,.85rem)}.nav a{padding:clamp(.4rem,1.2vw,.6rem) clamp(.6rem,2vw,1rem);font-size:clamp(.7rem,2vw,.85rem)}.buy-app-btn{padding:clamp(.35rem,1vw,.45rem) clamp(.6rem,1.5vw,.85rem);font-size:clamp(.7rem,2vw,.8rem);margin-right:clamp(.25rem,1vw,.75rem)}.language-toggle{padding:clamp(.4rem,1.2vw,.5rem) clamp(.7rem,1.8vw,.95rem);font-size:clamp(.7rem,2vw,.8rem)}.nav-icon{width:clamp(14px,2.5vw,18px);height:clamp(14px,2.5vw,18px)}.phone-mockup{width:250px;height:500px}.features-grid{grid-template-columns:1fr}.download-buttons{flex-direction:column;align-items:center}.footer-content{flex-direction:column;gap:1rem}.demo-content{grid-template-columns:1fr;gap:2rem}.demo-tabs{gap:.5rem}.demo-tab{padding:.75rem 1rem;font-size:.9rem}.wallet-actions{gap:.5rem}.action-btn{padding:.75rem;min-width:70px}.action-icon{width:20px;height:20px}}.view-details-btn{display:flex;align-items:center;gap:clamp(.25rem,1vw,.5rem);background:linear-gradient(45deg,#667eea,#764ba2);border:none;color:#fff;padding:clamp(.7rem,1.5vw,.875rem) clamp(1.25rem,2.5vw,1.5rem);border-radius:clamp(10px,2vw,12px);cursor:pointer;transition:all .3s ease;font-size:clamp(.875rem,1.2vw,.95rem);font-weight:600;margin-top:clamp(1rem,2.5vw,1.5rem);box-shadow:0 4px 15px #667eea4d}.view-details-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.view-details-btn .btn-icon{width:clamp(16px,2.3vw,18px);height:clamp(16px,2.3vw,18px);flex-shrink:0}.nav-link{display:flex;align-items:center;gap:clamp(.25rem,1vw,.5rem);background:none;border:none;color:#333!important;text-decoration:none;padding:clamp(.4rem,1.2vw,.5rem) clamp(.75rem,2vw,1rem);border-radius:clamp(6px,1.5vw,8px);transition:all .3s ease;font-size:clamp(.75rem,1.2vw,.9rem);font-weight:500;cursor:pointer;white-space:nowrap}.nav-link:hover{background:#667eea1a;color:#667eea!important}@media (max-width: 480px){.header .container{padding:clamp(.5rem,2vw,.75rem) clamp(.5rem,2vw,1rem)}.logo{font-size:clamp(.9rem,4vw,1.25rem);padding:clamp(.4rem,1.2vw,.6rem) clamp(.5rem,1.5vw,.75rem)}.logo-image{width:clamp(20px,5vw,28px);height:clamp(20px,5vw,28px)}.nav{gap:clamp(.2rem,1vw,.4rem);margin:.25rem 0 0}.nav a,.nav-link{font-size:clamp(.65rem,2.5vw,.75rem);padding:clamp(.35rem,1vw,.5rem) clamp(.5rem,1.5vw,.75rem)}.nav-icon{width:clamp(12px,3vw,16px);height:clamp(12px,3vw,16px)}.buy-app-btn{font-size:clamp(.65rem,2.5vw,.75rem);padding:clamp(.3rem,1vw,.4rem) clamp(.5rem,1.5vw,.75rem);margin-right:clamp(.25rem,1vw,.5rem)}.language-toggle{font-size:clamp(.65rem,2.5vw,.75rem);padding:clamp(.35rem,1vw,.45rem) clamp(.6rem,1.5vw,.85rem)}.globe-icon{width:clamp(12px,3vw,16px);height:clamp(12px,3vw,16px)}}